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 Solution The mean of observation is 10 . If we add 2 and then multiply or divide by 3 in each observation, then find the new mean ?Solution:Your problem -> The mean of observation is 10 . If we add 2 and then multiply or divide by 3 in each observation, then find the new mean ?Here Mean X = 10Now if we add 2 and then multiply by 3 in each observation, then mean gets increased by 2 and then multiplied by 3.:. new mean = (10 + 2) × 3 = 36. Solution provided by AtoZmath.com Any wrong solution, solution improvement, feedback then Submit Here Want to know about AtoZmath.com and me